strarray: move to its own file

src/strarray.c

+/*
+ * Copyright (C) the libgit2 contributors. All rights reserved.
+ *
+ * This file is part of libgit2, distributed under the GNU GPL v2 with
+ * a Linking Exception. For full terms see the included COPYING file.
+ */
+
+#include "util.h"
+
+#include "common.h"
+
+int git_strarray_copy(git_strarray *tgt, const git_strarray *src)
+{
+	size_t i;
+
+	assert(tgt && src);
+
+	memset(tgt, 0, sizeof(*tgt));
+
+	if (!src->count)
+		return 0;
+
+	tgt->strings = git__calloc(src->count, sizeof(char *));
+	GIT_ERROR_CHECK_ALLOC(tgt->strings);
+
+	for (i = 0; i < src->count; ++i) {
+		if (!src->strings[i])
+			continue;
+
+		tgt->strings[tgt->count] = git__strdup(src->strings[i]);
+		if (!tgt->strings[tgt->count]) {
+			git_strarray_free(tgt);
+			memset(tgt, 0, sizeof(*tgt));
+			return -1;
+		}
+
+		tgt->count++;
+	}
+
+	return 0;
+}
+
+void git_strarray_free(git_strarray *array)
+{
+	size_t i;
+
+	if (array == NULL)
+		return;
+
+	for (i = 0; i < array->count; ++i)
+		git__free(array->strings[i]);
+
+	git__free(array->strings);
+
+	memset(array, 0, sizeof(*array));
+}

src/util.c

@@ -22,52 +22,6 @@
 # include <Shlwapi.h>
 #endif
 
-void git_strarray_free(git_strarray *array)
-{
-	size_t i;
-
-	if (array == NULL)
-		return;
-
-	for (i = 0; i < array->count; ++i)
-		git__free(array->strings[i]);
-
-	git__free(array->strings);
-
-	memset(array, 0, sizeof(*array));
-}
-
-int git_strarray_copy(git_strarray *tgt, const git_strarray *src)
-{
-	size_t i;
-
-	assert(tgt && src);
-
-	memset(tgt, 0, sizeof(*tgt));
-
-	if (!src->count)
-		return 0;
-
-	tgt->strings = git__calloc(src->count, sizeof(char *));
-	GIT_ERROR_CHECK_ALLOC(tgt->strings);
-
-	for (i = 0; i < src->count; ++i) {
-		if (!src->strings[i])
-			continue;
-
-		tgt->strings[tgt->count] = git__strdup(src->strings[i]);
-		if (!tgt->strings[tgt->count]) {
-			git_strarray_free(tgt);
-			memset(tgt, 0, sizeof(*tgt));
-			return -1;
-		}
-
-		tgt->count++;
-	}
-
-	return 0;
-}
-
 int git__strntol64(int64_t *result, const char *nptr, size_t nptr_len, const char **endptr, int base)
 {
 	const char *p;